Parameter Members
.NET Framework 3.0
Provides a mechanism that data source controls use to bind to application variables, user identities and choices, and other data. Serves as the base class for all ASP.NET parameter types.
The following tables list the members exposed by the Parameter type.
(see also
Protected Constructors
)
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| Name | Description | |
|---|---|---|
| Parameter | Overloaded. Initializes a new instance of the Parameter class. |
(see also
Protected Properties
)
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| Name | Description | |
|---|---|---|
| ConvertEmptyStringToNull | Gets or sets a value indicating whether the value that the Parameter object is bound to should be converted to a null reference (Nothing in Visual Basic) if it is String.Empty. |
| DefaultValue | Specifies a default value for the parameter, should the value that the parameter is bound to be uninitialized when the Evaluate method is called. |
| Direction | Indicates whether the Parameter object is used to bind a value to a control, or the control can be used to change the value. |
| Name | Gets or sets the name of the parameter. |
| Size | Gets or sets the size of the parameter. |
| Type | Gets or sets the type of the parameter. |
| Name | Description | |
|---|---|---|
| IsTrackingViewState | Gets a value indicating whether the Parameter object is saving changes to its view state. |
| ViewState | Gets a dictionary of state information that allows you to save and restore the view state of a Parameter object across multiple requests for the same page. |
(see also
Protected Methods
)
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| Name | Description | |
|---|---|---|
| Equals | Overloaded. Determines whether two Object instances are equal. (inherited from Object) |
| GetHashCode | Serves as a hash function for a particular type. (inherited from Object) |
| GetType | Gets the Type of the current instance. (inherited from Object) |
| ReferenceEquals | Determines whether the specified Object instances are the same instance. (inherited from Object) |
| ToString | Overridden. Converts the value of this instance to its equivalent string representation. |
| Name | Description | |
|---|---|---|
| Clone | Returns a duplicate of the current Parameter instance. |
| Evaluate | Updates and returns the value of the Parameter object. |
| Finalize | Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (inherited from Object) |
| LoadViewState | Restores the data source view's previously saved view state. |
| MemberwiseClone | Creates a shallow copy of the current Object. (inherited from Object) |
| OnParameterChanged | Calls the OnParametersChanged method of the ParameterCollection collection that contains the Parameter object. |
| SaveViewState | Saves the changes to the Parameter object's view state since the time the page was posted back to the server. |
| SetDirty | Marks the Parameter object so its state will be recorded in view state. |
| TrackViewState | Causes the Parameter object to track changes to its view state so they can be stored in the control's ViewState object and persisted across requests for the same page. |
| Name | Description | |
|---|---|---|
| System.ICloneable.Clone | Returns a duplicate of the current Parameter instance. |
| System.Web.UI.IStateManager.LoadViewState | Restores the data source view's previously saved view state. |
| System.Web.UI.IStateManager.SaveViewState | Saves the changes to the Parameter object's view state since the time the page was posted back to the server. |
| System.Web.UI.IStateManager.TrackViewState | Causes the Parameter object to track changes to its view state so they can be stored in the control's ViewState object and persisted across requests for the same page. |
| System.Web.UI.IStateManager.IsTrackingViewState | Gets a value indicating whether the Parameter object is saving changes to its view state. |
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